The cas register number of 4,4'-Dianilino-1,1'-binaphthyl-5,5'-disulfonic acid dipotassium salt is 65664-81-5. It also can be called as 4(1,1'-Binaphthalene)-5,5'-disulfonic acid, 4,4'-bis(phenylamino)-, dipotassium salt and the Systematic name about this chemical is dipotassium 4,4'-bis(phenylamino)-1,1'-binaphthalene-5,5'-disulfonate.

Physical properties about 4,4'-Dianilino-1,1'-binaphthyl-5,5'-disulfonic acid dipotassium salt are: storage temp: (1)#H bond acceptors: 8; (2)#H bond donors: 4; (3)#Freely Rotating Bonds: 7; (4)Polar Surface Area: 155.22 Å².

When you are using this chemical, please be cautious about it as the following:
It is harmful by inhalation, in contact with skin and if swallowed and irritating to eyes, respiratory system and skin. If it in case of contact with eyes, rinse immediately with plenty of water and seek medical advice. So people must wear suitable protective clothing.

People can use the following data to convert to the molecule structure.
1.SMILES: [K+].[K+].[O-]S(=O)(=O)c1cccc3c1c(Nc2ccccc2)ccc3c6ccc(Nc4ccccc4)c5c(cccc56)S([O-])(=O)=O
2.InChI: InChI=1/C32H24N2O6S2.2K/c35-41(36,37)29-15-7-13-25-23(17-19-27(31(25)29)33-21-9-3-1-4-10-21)24-18-20-28(34-22-11-5-2-6-12-22)32-26(24)14-8-16-30(32)42(38,39)40;;/h1-20,33-34H,(H,35,36,37)(H,38,39,40);;/q;2*+1/p-2 
3.InChIKey: VWLWTJHKQHRTNC-NUQVWONBAS
4.Std. InChI: InChI=1S/C32H24N2O6S2.2K/c35-41(36,37)29-15-7-13-25-23(17-19-27(31(25)29)33-21-9-3-1-4-10-21)24-18-20-28(34-22-11-5-2-6-12-22)32-26(24)14-8-16-30(32)42(38,39)40;;/h1-20,33-34H,(H,35,36,37)(H,38,39,40);;/q;2*+1/p-2.